In the Race
Now, here, you see, it takes all the blogging I can do to keep in the same place.
If I want to get somewhere else, I must blog twice as fast as that!
You see, I'm in
the Red Queen's Race...
TWENTY-ONE BIRTHDAY BASH #13
By Janet Evans
Sunday, Dec 30 2007, 12:01 PM
Continuing with my birthday 'bash" of the number 21....
What is Chromosome 21?
Humans normally have 46 chromosomes in each cell, divided into 23 pairs. Two copies of chromosome 21, one copy inherited from each parent, form one of the pairs. Chromosome 21 is the smallest human chromosome, spanning about 47 million base pairs (the building blocks of DNA) and representing approximately 1.5 percent of the total DNA in cells......
Read all about Chromosome 21 Ã here
